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Fig. 1 | Radiation Oncology

Fig. 1

From: MR-guided proton therapy: a review and a preview

Fig. 1

Model of the magnetic interaction between an MRI and PBS assembly when delivering a scanning pattern down the bore of the MRI. Example of a scanned pencil beam with the MRI scanner turned off (a) and on (b). c Scanning magnet (SM) settings and MFH over the scanning pattern shown in (d). e Changes to the scanning pattern due to the presence of the magnetic field from the MRI scanner

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